<div class="navbar-left-container">
    <div class="row">
        <ul id="main-nav" class="nav nav-tabs nav-stacked">
            <li>
                <a href="homepage/Fuction1">
                    <i class="glyphicon glyphicon-unchecked"></i>
                    Fuction1
                </a>
            </li>
            <li>
                <a href="homepage/Fuction2">
                    <i class="glyphicon glyphicon-unchecked"></i>
                    Fuction2
                </a>
            </li>
            <li>
                <a href="homepage/Fuction3">
                    <i class="glyphicon glyphicon-unchecked"></i>
                    Fuction3
                </a>
            </li>
        </ul>
    </div>
</div>